Junior Java/Typescript/Game Developer (k)

Junior Java / TypeScript Game Developer

TJHelpers builds strong engineering teams through mentorship, real project experience, and our “Helpers as a Service” model.

We are looking for a Junior Developer to join our team at our Kyiv office near Odeska Square and work on an international gambling / iGaming project.

About the Project

You will develop and maintain HTML5 slot games for a major international entertainment provider, using PixiJS and WebGL. Features include reels, spin mechanics, win animations, Spine animations, and visual effects.

You will work alongside a team lead, a mentor, and fellow developers.

Responsibilities

• Develop HTML5 slot game features using TypeScript and Java.
• Work with PixiJS/WebGL game mechanics, visual effects, and Spine animations.
• Investigate and fix bugs based on Jira tasks.
• Optimize rendering performance and memory usage using Chrome DevTools and profiling tools.
• Test games on desktop and mobile devices, including iOS.
• Use Git and pull requests, and participate in code reviews.
• Coordinate task progress, estimates, and priorities with your team lead and mentor.
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Requirements

• Knowledge of Java and TypeScript.
• Understanding of OOP and basic data structures.
• Basic knowledge of Canvas/WebGL or a willingness to learn.
• Familiarity with Git and pull requests.
• English sufficient to read technical documentation and Jira tasks.
• Attention to detail and willingness to work with a large, existing codebase.

• Interest in Game Development / Graphics Development.

   

Nice to Have

• Experience with PixiJS, Cocos2d, Phaser, or similar frameworks.
• Familiarity with Spine or GSAP.
• Experience with web or game performance optimization and an understanding of garbage collection.
• Familiarity with Jira and Agile workflows.
• Personal or academic projects involving Java, TypeScript, or game development.

Technology Stack & Tools

TypeScript, Java, PixiJS, WebGL, Spine / pixi-spine, Chrome DevTools, BrowserStack, Git, Jira, Confluence, Google Docs.

We Offer

• An office-based role on an international iGaming project.
• Mentorship and structured onboarding.
• Real production tasks from your first weeks.
• Growth in Game Development / Graphics Development, with increasing responsibility as your skills develop.